diff --git a/CMakeLists.txt b/CMakeLists.txt
index 315f932..33875c9 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -49,6 +49,8 @@ add_executable(
     src/AST/SumNode.h
     src/AST/SyscallNode.cpp
     src/AST/SyscallNode.h
+    src/AST/UnaryOpNode.cpp
+    src/AST/UnaryOpNode.h
     src/utils.cpp
     src/utils.h
     src/Parser.cpp